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1、TariPass-through,FirmHeterogeneityandProductQualityxRodneyLudemayZhiYuzDecember2013Abstract:Previousstudiesontaripass-throughhavebeenconductedatthein-dustrylevel.Thispaperistherstattempttoexploretaripass-throughatthermlevel,andtoinvestigatehowitdepends
2、onrmheterogeneityinproductivityandproductdier-entiationinquality.UsinganextendedversionoftheMelitzandOttaviano(2008)model,weshowthatexportingrmsabsorbtarichangesbyadjustingboththeirmarkupsandproductquality,whichleadstoanincompletetaripass-through.Moreo
3、ver,theabsolutevalueoftariabsorptionelasticity(thepercentagechangeinthetari-exclusiveexportpriceinresponsetoaonepercentchangeinthegrosstarirate)negativelydependsonrmproductivityforproductswithhighscopeforqualitydierentiation,butpositive-lydependsonrmp
4、roductivityforproductswithlowscopeforqualitydierentiation.UsingtheU.S.transaction-levelexportdataandplant-levelmanufacturingdata,wendevidenceforthesepredictions.Therm-leveltariabsorptionelasticityis 0:87onav-erage.Pooledregressionsrevealthatthetariabso
5、rptionelasticityishigher(intermsofabsolutevalue)forlowproductivityrms( 1:27)andlowerforhighproductivityrms( 0:44).Estimationdoneseparatelyonqualitydierentiatedgoodsandqualityhomo-geneousgoodsndsthattheinverserelationshipbetweentariabsorptionelasticitya
6、ndrmproductivityismorepronouncedforqualitydierentiatedgoodsandnon-existentforqualityhomogeneousgoods,whichisconsistentwiththemodel.KeyWords:TariPass-through,FirmHeterogeneity,ProductQuality,MarkupsJELNumbers:F1,D2,L1
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39、thorsthankJ.BradfordJensen,AnnaMariaMayda,BruceBlonigen,MeredithCrowley,AntoineGervais,GeneGrossman,TomHolmes,WilliamKerr,KalaKrishna,BenMandel,CaglarOz-den,JustinPierce,TomPrusa,DanielReyes,AndresRodriguez-clare,FrenchScottandparticipantsatGeorgetownIntern
40、ationalEconomicsSeminar,theMidwestTradeMeetings,theSEAConference,theEEAconference,theU.S.CensusBureauRDCResearchConference,theHKU-TsinghuaInternationalEconomicsConference,andtheWorldBankseminarforhelpf